CVE-2017-15887

CVSS V2 Medium 5 CVSS V3 Critical 9.8

Description

An improper restriction of excessive authentication attempts vulnerability in /principals in Synology CardDAV Server before 6.0.7-0085 allows remote attackers to obtain user credentials via a brute-force attack.

Overview

CVE ID
CVE-2017-15887

Assigner
security@synology.com

Vulnerability Status
Modified

Published Version
2017-11-07T15:29:00

Last Modified Date
2019-10-09T23:24:32

Weakness Enumerations

CWE	URL
CWE-307	http://cwe.mitre.org/data/definitions/307.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:synology:carddav_server::::::::	1	OR		6.0.7-0085

CVSS Version 2

Version
2.0

Vector String
AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector
NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
NONE

Availability Impact
NONE

Base Score
5

Severity
MEDIUM

Exploitability Score
10

Impact Score
2.9

CVSS Version 3

Version
3.0

Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.synology.com/en-global/support/security/Synology_SA_17_64_CardDAV_Server	Issue Tracking Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2017-15887
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15887

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 17:11:14				Added to TrackCVE
2022-12-02 22:49:16	2017-11-07T15:29Z	2017-11-07T15:29:00	CVE Published Date	updated
2022-12-02 22:49:16		2019-10-09T23:24:32	CVE Modified Date	updated
2022-12-02 22:49:16		Modified	Vulnerability Status	updated